US8529766B2 - Water purifier and water purification method - Google Patents
Water purifier and water purification method Download PDFInfo
- Publication number
- US8529766B2 US8529766B2 US12/915,973 US91597310A US8529766B2 US 8529766 B2 US8529766 B2 US 8529766B2 US 91597310 A US91597310 A US 91597310A US 8529766 B2 US8529766 B2 US 8529766B2
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- United States
- Prior art keywords
- polymer
- water
- volatile
- aqueous solution
- volatile solute
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 218
- 238000000746 purification Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 21
- 229920000642 polymer Polymers 0.000 claims abstract description 172
- 239000007864 aqueous solution Substances 0.000 claims abstract description 112
- 239000012528 membrane Substances 0.000 claims abstract description 85
- 238000007865 diluting Methods 0.000 claims abstract description 29
- 239000008213 purified water Substances 0.000 claims abstract description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 59
- 150000001450 anions Chemical class 0.000 claims description 36
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 32
- 150000001768 cations Chemical class 0.000 claims description 28
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 25
- 239000001569 carbon dioxide Substances 0.000 claims description 25
- 238000000108 ultra-filtration Methods 0.000 claims description 13
- 238000009292 forward osmosis Methods 0.000 claims description 12
- 229920006317 cationic polymer Polymers 0.000 claims description 10
- 229920006318 anionic polymer Polymers 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 239000013535 sea water Substances 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 description 22
- 239000000126 substance Substances 0.000 description 22
- 229920002125 Sokalan® Polymers 0.000 description 19
- 239000007789 gas Substances 0.000 description 19
- 239000004584 polyacrylic acid Substances 0.000 description 19
- 150000002500 ions Chemical class 0.000 description 16
- 230000003204 osmotic effect Effects 0.000 description 14
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 13
- 229920001577 copolymer Polymers 0.000 description 13
- 238000004821 distillation Methods 0.000 description 13
- 239000003011 anion exchange membrane Substances 0.000 description 11
- 238000012856 packing Methods 0.000 description 11
- 229920001519 homopolymer Polymers 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000000502 dialysis Methods 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 125000001453 quaternary ammonium group Chemical group 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 239000003014 ion exchange membrane Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000005341 cation exchange Methods 0.000 description 6
- 238000000909 electrodialysis Methods 0.000 description 6
- 239000012466 permeate Substances 0.000 description 6
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 6
- 229960002796 polystyrene sulfonate Drugs 0.000 description 6
- 239000011970 polystyrene sulfonate Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229920000831 ionic polymer Polymers 0.000 description 5
- 238000007885 magnetic separation Methods 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229920001444 polymaleic acid Polymers 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- -1 hydroxyl ions Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- VWQQSYFFOBUYGD-UHFFFAOYSA-M CCC1CN(C)(C)CC1C.[Cl-] Chemical compound CCC1CN(C)(C)CC1C.[Cl-] VWQQSYFFOBUYGD-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920002307 Dextran Polymers 0.000 description 1
- 229910000655 Killed steel Inorganic materials 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/002—Forward osmosis or direct osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/243—Dialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
- B01D61/364—Membrane distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/422—Electrodialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2626—Absorption or adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/445—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by forward osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
Description
<3> The water purifier according to <2>, wherein the first separating unit is an ultrafiltration membrane.
<4> The water purifier according to any one of <1> to <3>, wherein the volatile solute is carbon dioxide, carbonic acid, or ammonium.
<5> The water purifier according to any one of <1> to <4>, wherein the polymer has a weight average molecular weight of 5,000 to 250,000.
<6> The water purifier according to any one of <1> to <5>, wherein the polymer was a weight average molecular weight of 5,000 to 130,000.
<7> The water purifier according to any one of <1> to <6>, wherein the polymer has a ratio of a molecular weight of a repeat unit therein to electric charge therein ranging from 58 to 1,000.
<8> The water purifier according to any one of <1> to <7>, wherein the dissolving unit is a gas absorber.
<9> The water purifier according to any one of <1> to <8>, wherein the semi-permeable membrane is a forward osmosis semi-permeable membrane which selectively passes water through.
<10> The water purifier according to any one of <1> to <9>, wherein the targeted water is sea-water.
<11> A water purification method, containing:
TABLE 1 | |||
Permeate flow rate/ | |||
Leaked amount of volatile solute | |||
Ex. 1-1 | 59 | ||
Ex. 1-2 | 59 | ||
Ex. 1-3 | 58 | ||
Ex. 1-4 | 55 | ||
Ex. 1-5 | 50 | ||
Ex. 1-6 | 5 | ||
Ex. 1-7 | 57 | ||
Ex. 2 | 184 | ||
Ex. 3 | 3 | ||
Ex. 4 | 4 | ||
Ex. 5 | 120 | ||
Ex. 6 | 40 | ||
Comp. | 1 | ||
Ex. 1 | |||
Comp. | 1 or less | ||
Ex. 2 | |||
Comp. | 1.5 | ||
Ex. 3 | |||
Claims (11)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-251053 | 2009-10-30 | ||
JP2009251053 | 2009-10-30 | ||
JP2010242273A JP2011115783A (en) | 2009-10-30 | 2010-10-28 | Apparatus and method for purifying water |
JP2010-242273 | 2010-10-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20110100913A1 US20110100913A1 (en) | 2011-05-05 |
US8529766B2 true US8529766B2 (en) | 2013-09-10 |
Family
ID=43924258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/915,973 Active 2031-08-26 US8529766B2 (en) | 2009-10-30 | 2010-10-29 | Water purifier and water purification method |
Country Status (2)
Country | Link |
---|---|
US (1) | US8529766B2 (en) |
JP (1) | JP2011115783A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130112603A1 (en) * | 2010-04-28 | 2013-05-09 | Stx Heavy Industries Co., Ltd. | Forward osmotic desalination device using membrane distillation method |
US10377647B2 (en) | 2010-12-15 | 2019-08-13 | Queen's University at Kingson | Systems and methods for use of water with switchable ionic strength |
US10716886B2 (en) | 2016-05-06 | 2020-07-21 | Gambro Lundia Ab | Systems and methods for peritoneal dialysis having point of use dialysis fluid preparation including testing thereof |
US11311657B2 (en) | 2007-07-05 | 2022-04-26 | Baxter International Inc. | Dialysis system for mixing treatment fluid at time of use |
US11498853B2 (en) | 2010-02-10 | 2022-11-15 | Queen's University At Kingston | Water with switchable ionic strength |
WO2023028281A1 (en) * | 2021-08-26 | 2023-03-02 | Massachusetts Institute Of Technology | Harnessing metal ions from brines |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4890761B2 (en) | 2002-07-19 | 2012-03-07 | バクスター・インターナショナル・インコーポレイテッド | System and method for performing peritoneal dialysis |
US10973968B2 (en) | 2008-02-14 | 2021-04-13 | Baxter International Inc. | Control of a water device via a dialysis machine user interface |
US8057679B2 (en) | 2008-07-09 | 2011-11-15 | Baxter International Inc. | Dialysis system having trending and alert generation |
JP2011115783A (en) * | 2009-10-30 | 2011-06-16 | Fujifilm Corp | Apparatus and method for purifying water |
WO2013015229A1 (en) * | 2011-07-22 | 2013-01-31 | Semiconductor Energy Laboratory Co., Ltd. | Graphite oxide, graphene oxide or graphene, electric device using the same and method of manufacturing the same, and electrodialysis apparatus |
NL2007353C2 (en) * | 2011-09-05 | 2013-03-07 | Kwr Water B V | Solution comprising an osmotic agent and method of extracting water using said solution. |
FI123737B (en) | 2012-02-13 | 2013-10-15 | Oy Langh Ship Ab | Method for treating ship-source contaminants with a scrubber |
JP5677381B2 (en) * | 2012-08-10 | 2015-02-25 | 株式会社東芝 | Desalination treatment membrane, desalination treatment method, and desalination treatment apparatus |
CN103553233B (en) * | 2013-11-20 | 2015-06-10 | 哈尔滨优方净水科技有限公司 | Bucket-free water-saving water purifier |
US20180297867A1 (en) * | 2014-12-12 | 2018-10-18 | Artesion, Inc. | Processing including a membrane and gas recycling system for forward osmosis water treatment systems using switchable polar solvents |
WO2016207206A1 (en) | 2015-06-25 | 2016-12-29 | Gambro Lundia Ab | Medical device system and method having a distributed database |
KR102476516B1 (en) | 2016-12-21 | 2022-12-09 | 감브로 룬디아 아베 | A medical device system that includes an information technology infrastructure with secure cluster domains supporting external domains. |
CN108314236B (en) * | 2018-03-24 | 2020-12-22 | 佛山市云米电器科技有限公司 | Household water purifier and water purifying equipment |
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US3532621A (en) * | 1967-07-10 | 1970-10-06 | William Thomas Hough | Process for extracting solvent from a solution |
US20050145568A1 (en) | 2001-02-01 | 2005-07-07 | Robert Mc Ginnis | Osmotic desalination process |
US20100213129A1 (en) * | 2006-11-13 | 2010-08-26 | The University Of Sheffield | Apparatus and method for purifying water by forward osmosis |
US20100224561A1 (en) * | 2009-02-10 | 2010-09-09 | Marcin Mark A | Process for minimizing produced water brines using forward osmosis |
US7914680B2 (en) * | 2004-12-06 | 2011-03-29 | Board Of Regents Of The Nevada System Of Higher Education, On Behalf Of The University Of Nevada, Reno | Systems and methods for purification of liquids |
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US20110100913A1 (en) | 2011-05-05 |
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